//小球下坠动画
function downs(){
	var boo = document.querySelector(".test");
	boo.addEventListener("click",function(){
		boo.setAttribute("class","animated test");
		setTimeout(function () {
		boo.style.display = "none";	
		}, 1000);
		moves();
	})
	
	
}
downs();
function moves(){
	var imges = document.querySelector(".img");
	imges.addEventListener("transitionend",handle, false)
	function handle(){
		imges.setAttribute("class","bounceInDown img");
	}	
	
}
